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The Boghen terrane (New Caledonia, SW Pacific): a Jurassic accretionary complex. Preliminary U-Pb radiochronological data on detrital zircon

journal contribution
posted on 2023-05-16, 13:41 authored by Cluzel, D, Sebastien MeffreSebastien Meffre
Radiochronological dating of detrital zircon extracted from the Boghen terrane metasediments allows a Jurassic age to be assigned. This terrane was formerly considered as the "pre-Permian basement" of New Caledonia. Its sedimentological features, its Late Jurassic high-pressure metamorphism (ca 150 Ma) and its association with the arc-related volcano-sedimentary complex of the Central Chain Terrane indicate that the Boghen terrane was an accretionary complex formed during the Jurassic period along the East-Gondwana active margin. The age spectrum of detrital zircons is consistent with a derivation from the Permian-Mesozoic Southeast-Gondwana arc system and the Antarctic continent. © 2002 Académie des sciences / Éditions scientifiques et médicales Elsevier SAS.

History

Publication title

Comptes Rendus Geoscience

Volume

334

Issue

11

Pagination

867-874

ISSN

1631-0713

Department/School

School of Natural Sciences

Publisher

Elsevier

Place of publication

Paris, France

Repository Status

  • Restricted

Socio-economic Objectives

Expanding knowledge in the earth sciences

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